[INFO] updating cached repository https://github.com/antifuchs/tmux_min_attacher
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] df713cc220c7300971e2b1a8df85f95da29f6a27
[INFO] testing antifuchs/tmux_min_attacher against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantifuchs%2Ftmux_min_attacher" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/antifuchs/tmux_min_attacher on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/antifuchs/tmux_min_attacher
[INFO] finished tweaking git repo https://github.com/antifuchs/tmux_min_attacher
[INFO] tweaked toml for git repo https://github.com/antifuchs/tmux_min_attacher written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/antifuchs/tmux_min_attacher already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] db92b5f604b35db31980df9e6272bab93ac3fa775989fb570651935d9a6f3299
[INFO] running `"docker" "start" "-a" "db92b5f604b35db31980df9e6272bab93ac3fa775989fb570651935d9a6f3299"`
[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling tmux_min_attacher v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:47:60
[INFO] [stderr]    |
[INFO] [stderr] 47 |         println!("execvp of {:?} failed: {:?}", program, e.description())
[INFO] [stderr]    |                                                            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.47s
[INFO] running `"docker" "inspect" "db92b5f604b35db31980df9e6272bab93ac3fa775989fb570651935d9a6f3299"`
[INFO] running `"docker" "rm" "-f" "db92b5f604b35db31980df9e6272bab93ac3fa775989fb570651935d9a6f3299"`
[INFO] [stdout] db92b5f604b35db31980df9e6272bab93ac3fa775989fb570651935d9a6f3299
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d5b89c01ddb8ed4cc7b33e973dae3aeddd80bc544a8454b301fb6395649387d8
[INFO] running `"docker" "start" "-a" "d5b89c01ddb8ed4cc7b33e973dae3aeddd80bc544a8454b301fb6395649387d8"`
[INFO] [stderr]    Compiling tmux_min_attacher v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:47:60
[INFO] [stderr]    |
[INFO] [stderr] 47 |         println!("execvp of {:?} failed: {:?}", program, e.description())
[INFO] [stderr]    |                                                            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `"docker" "inspect" "d5b89c01ddb8ed4cc7b33e973dae3aeddd80bc544a8454b301fb6395649387d8"`
[INFO] running `"docker" "rm" "-f" "d5b89c01ddb8ed4cc7b33e973dae3aeddd80bc544a8454b301fb6395649387d8"`
[INFO] [stdout] d5b89c01ddb8ed4cc7b33e973dae3aeddd80bc544a8454b301fb6395649387d8
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9642fd54dc64ad5ceed75319a4a9b653a4c57bee65faaa4fe62d44ed954ff850
[INFO] running `"docker" "start" "-a" "9642fd54dc64ad5ceed75319a4a9b653a4c57bee65faaa4fe62d44ed954ff850"`
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:47:60
[INFO] [stderr]    |
[INFO] [stderr] 47 |         println!("execvp of {:?} failed: {:?}", program, e.description())
[INFO] [stderr]    |                                                            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tmux_min_attacher-b4118802520e865e
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_session_number_with_attached_session ... ok
[INFO] [stdout] test test_session_number_with_numbers ... ok
[INFO] [stdout] test test_detached_sessions ... ok
[INFO] [stdout] test test_session_number_with_strings ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "9642fd54dc64ad5ceed75319a4a9b653a4c57bee65faaa4fe62d44ed954ff850"`
[INFO] running `"docker" "rm" "-f" "9642fd54dc64ad5ceed75319a4a9b653a4c57bee65faaa4fe62d44ed954ff850"`
[INFO] [stdout] 9642fd54dc64ad5ceed75319a4a9b653a4c57bee65faaa4fe62d44ed954ff850